<template>
  <div>
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="
          mui-scroll-wrapper
          mui-slider-indicator
          mui-segmented-control
          mui-segmented-control-inverted
        "
      >
        <div class="mui-scroll">
          <a
            :class="[mui - control - item, (item.id = 0 ? 'mui-active' : '')]"
            v-for="item in cates"
            :key="item.id"
            @tap="getPhotoListByCateId(item.id)"
          >
            {{ item.title }}
          </a>
          <!-- <a
            class="mui-control-item"
            href="#item2mobile"
            data-wid="tab-top-subpage-2.html"
          >
            热点
          </a>
          <a
            class="mui-control-item"
            href="#item3mobile"
            data-wid="tab-top-subpage-3.html"
          >
            北京
          </a>
          <a
            class="mui-control-item"
            href="#item4mobile"
            data-wid="tab-top-subpage-4.html"
          >
            社会
          </a>
          <a
            class="mui-control-item"
            href="#item5mobile"
            data-wid="tab-top-subpage-5.html"
          >
            娱乐
          </a>
          <a
            class="mui-control-item"
            href="#item6mobile"
            data-wid="tab-top-subpage-6.html"
          >
            科技
          </a> -->
        </div>
      </div>
    </div>
    <ul class="photo-list">
      <router-link :to="'/home/photoinfo/' + item.id" v-for="item in list" :key="item.id" tag="li">
        <img v-lazy="item.img_url" />
        <div class="info">
            <h1 class="info-title">{{ item.title }}</h1>
            <div class="info-body">{{ item.zhaiyao }}</div>
        </div>
      </router-link>
    </ul>
  </div>
</template>
<script>
import mui from "../../lib/mui/js/mui.js";

export default {
  data() {
    return {
      cates: [],
      list: [],
    };
  },
  created() {
    this.getAllCateGory();
    this.getPhotoListByCateId(0);
  },
  mounted() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005, //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  methods: {
    getAllCateGory() {
      this.$http.get("api/getmgcatagory").then((result) => {
        if (result.body.status === 0) {
          result.body.message.unshift({ title: "全部", id: 0 });
          this.cates = result.body.message;
        }
      });
    },
    getPhotoListByCateId(cataId) {
      this.$http.get("api/getimages/" + cataId).then((result) => {
        if (result.body.status === 0) {
          this.list = result.body.message;
        }
      });
    },
  },
};
</script>
<style lang="scss" scoped>
* {
  touch-action: pan-y;
}
.photo-list {
    list-style: none;
    margin: 0;
    padding: 10px;
    padding-bottom: 0;
  li {
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
    img {
        width: 100%;
        vertical-align: middle;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info {
        color: white;
        text-align: left;
        position: absolute;
        bottom: 0;
        background-color: rgba(0,0,0,0.4);
        max-height: 84px;
        .info-title {
            font-size: 14px;
        }
        .info-body {
            font-size: 13px;
        }
    }
  }
}
</style>